/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.GmListTable;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.CreatureSay;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;

/**
 * This class handles following admin commands: - gmchat text = sends text to
 * all online GM's - gmchat_menu text = same as gmchat, displays the admin panel
 * after chat
 * 
 * @version $Revision: 1.2.4.3 $ $Date: 2005/04/11 10:06:06 $
 */
public class AdminGmChat implements IAdminCommandHandler {
	private static final String[] ADMIN_COMMANDS = { "admin_gmchat",
			"admin_snoop", "admin_gmchat_menu" };
	private static final int REQUIRED_LEVEL = Config.GM_MIN;

	public boolean useAdminCommand(String command, L2PcInstance activeChar) {
		if (!Config.ALT_PRIVILEGES_ADMIN)
			if (!(checkLevel(activeChar.getAccessLevel()) && activeChar.isGM()))
				return false;
		if (command.startsWith("admin_gmchat"))
			handleGmChat(command, activeChar);
		else if (command.startsWith("admin_snoop"))
			snoop(command, activeChar);
		if (command.startsWith("admin_gmchat_menu"))
			AdminHelpPage.showHelpPage(activeChar, "main_menu.htm");
		return true;
	}

	/**
	 * @param command
	 * @param activeChar
	 */
	private void snoop(String command, L2PcInstance activeChar) {
		L2Object target = activeChar.getTarget();
		if (target == null) {
			activeChar.sendPacket(new SystemMessage(
					SystemMessageId.YOU_MUST_SELECT_A_TARGET));
			return;
		}
		if (!(target instanceof L2PcInstance)) {
			activeChar.sendPacket(new SystemMessage(
					SystemMessageId.INCORRECT_TARGET));
			return;
		}
		L2PcInstance player = (L2PcInstance) target;
		player.addSnooper(activeChar);
		activeChar.addSnooped(player);
	}

	/**
	 * @param command
	 * @param activeChar
	 */
	private void handleGmChat(String command, L2PcInstance activeChar) {
		try {
			int offset = 0;
			String text;
			if (command.contains("menu"))
				offset = 17;
			else
				offset = 13;
			text = command.substring(offset);
			CreatureSay cs = new CreatureSay(0, 9, activeChar.getName(), text);
			GmListTable.broadcastToGMs(cs);
		} catch (StringIndexOutOfBoundsException e) {
			// empty message.. ignore
		}
	}

	public String[] getAdminCommandList() {
		return ADMIN_COMMANDS;
	}

	private boolean checkLevel(int level) {
		return level >= REQUIRED_LEVEL;
	}
}
